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Physics and Material Science Lab Experiments Part II

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PHYSICS AND MATERIAL SCIENCE LAB EXPERIMENTS PART II

33. Four Probe set-up for measuring the resistivity of very low to highly resistive samples

at temperatures upto 200ºC with PID controlled oven, DFP-RM-200 (Research Model)

The set-up consists of the following

(i) Four Probe Arrangement with built-in thermocouple sensor, FPA-RM-200

(ii) Standard Samples: Ge, Si and Aluminium

(iii) Oven Unit (upto 200C), RM-Oven-200

(iv) High Performance PID Controller, PID-TZ

(v) D.C. Microvoltmeter, DMV-001

(vi) Constant Current Source, CCS-01 (Range: 0-20mA & 0-200mA)

For low resistivity samples like thin films of metals and alloys

(vii) Low Current Source, LCS-02

(Range: 0-2μA, 0-20μA, 0-200μA & 0-2mA) For highly resistive samples

Complete in all respect

34. Four Probe Set-up for Mapping the Resistivity of Large Samples, FP-01

(Mapping Model)

The set-up consists of the following

(i) Four Probe Arrangement with X-Y movement and vernier scales, FPA-FP-01

(ii) Standard Samples: Ge, Si and Aluminium

(iii) D.C. Microvoltmeter, DMV-001

(iv) Constant Current Source, CCS-01 (Range: 0-20mA & 0-200mA)

For low resistivity samples like thin films of metals and alloys

(v) Low Current Source, LCS-02

(Range: 0-2μA; 0-20μA; 0-200μA; 0-2mA) For highly resistive samples

Complete in all respect.

35. Measurement of Magnetoresistance of Semiconductors, MRX-01

The set-up consists of following units: (Breakup)

(i) Four Probe Arrangement, FPA-MRX-01 3200.00

(ii) Sample: Ge Crystal (n-type) _1600.00

(iii) Hall Probe Multipurpose Stand, HPS 900.00

(iv) Magnetoresistance Setup, DMR-01 6800.00

(v) Electromagnet, EMU-50V 25500.00

(vi) Constant Current Power Supply, DPS-50 11500.00

(vii) Digital Gaussmeter, DGM-102 (Optional: DGM-202-Item no. 9)

Complete in all respect

36. Measurement of Magnetoresistance in Bismuth, MRB-11

The set-up consists of following units: (Breakup)

(i) Four Probe Arrangement, FPA-MRB-11

(ii) Sample: Bismuth

(iii) Hall Probe Multipurpose Stand, HPS

(iv) Constant Current Source, Model CCS-01

(v) Digital D.C. Microvoltmeter, Model DMV-001

(vi) Electromagnet, EMU-75

(vii) Constant Current Power Supply, DPS-175M

(viii) Digital Gaussmeter, DGM-102 (Optional: DGM-202-Item no. 9)

Complete in all respect

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